package com.kaifamiao.demo.d0722;

public class Demo07 {

    public static void main(String[] args) {
        sum(5, 9);

        Demo07 demo = new Demo07();

        demo.say();

    }

    public void say(){
        System.out.println("说话");
    }

    // 声明方法
    public static void sum(int num, int num1){
        System.out.println(num + num1);
    }
}
